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820-00165 Fan spinning high

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  • #16
    Now I Have some new information from ISTAT.
    I solder old SMC
    Attached Files

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    • #17
      Looks fine. Is it also seeing the fan RPM correctly?

      Comment


      • #18
        RPM is ok ~6000rpm
        I worry about Wifi - shows ~40C but isn't more hot that rest of board.
        I changed it but without good results.
        Now i stuck with this repair.
        I have next similar repair but with older mac(mid 2014). Maybe I'm doing something wrong. Maybe this is cleaning problem.
        Please look ASD log



        [12/31/15 16:08:49] Temperature (THSP) -- Thunderbolt Proximity (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:50] ERROR -- 1 [Unable to read sensor] -- TEST FAILED

        [12/31/15 16:08:50] Temperature (TM0P) -- MLB Top Side (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:50] Test Passed

        [12/31/15 16:08:51] Temperature (TS2P) -- S2 Camera Proximity (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:51] ERROR -- 1 [Unable to read sensor] -- TEST FAILED

        [12/31/15 16:08:51] Temperature (TW0P) -- AirPort Proximity (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:51] ERROR -- 1 [Unable to read sensor] -- TEST FAILED

        [12/31/15 16:08:51] Temperature (Ta0P) -- Input Air Flow (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:52] Test Passed

        [12/31/15 16:08:52] Temperature (Th1H) -- Fin Stack (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:52] Test Passed

        [12/31/15 16:08:53] Temperature (Tm0P) -- Memory Proximity (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:53] ERROR -- 1 [Unable to read sensor] -- TEST FAILED

        [12/31/15 16:08:53] Temperature (Ts0P) -- Trackpad Skin (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.

        [16:08:54] ERROR -- 1 [Unable to read sensor] -- TEST FAILED

        [12/31/15 16:08:54] Voltage (VC1C) -- 1.05 S0 (test #1) - Sensor Reads Within Operating Range

        - Check to ensure that sensor reads within operating range.


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        • #19
          With that board there is an issue on SMBUS_SMC_3, all sensors that are failing are connected to that data bus. I bet corrosion in the trackpad connector or crap under SMC.

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          • #20
            Ok, problem solved.
            R5805 have 8 Ohm and should be 0 Ohm
            Thanks for helping.

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